Package org.apache.flink.api.java.summarize.aggregation

Class DoubleSummaryAggregator

java.lang.Object

org.apache.flink.api.java.summarize.aggregation.NumericSummaryAggregator<Double>

org.apache.flink.api.java.summarize.aggregation.DoubleSummaryAggregator

All Implemented Interfaces:

Serializable, Aggregator<Double,NumericColumnSummary<Double>>

@Internal
public class DoubleSummaryAggregator
extends NumericSummaryAggregator<Double>

Aggregator that can handle Double types.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DoubleSummaryAggregator.MaxDoubleAggregator	Aggregator for max operation.
static class	DoubleSummaryAggregator.MinDoubleAggregator	Aggregator for min operation.
static class	DoubleSummaryAggregator.SumDoubleAggregator	Aggregator for sum operation.

Constructor Summary

Constructors

Constructor	Description
DoubleSummaryAggregator()

Method Summary

Modifier and Type	Method	Description
protected Aggregator<Double,Double>	initMax()
protected Aggregator<Double,Double>	initMin()
protected Aggregator<Double,Double>	initSum()
protected boolean	isInfinite(Double number)
protected boolean	isNan(Double number)

Methods inherited from class org.apache.flink.api.java.summarize.aggregation.NumericSummaryAggregator

aggregate, combine, result

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DoubleSummaryAggregator

public DoubleSummaryAggregator()

Method Detail

initMin

protected Aggregator<Double,Double> initMin()

Specified by:

initMin in class NumericSummaryAggregator<Double>

initMax

protected Aggregator<Double,Double> initMax()

Specified by:

initMax in class NumericSummaryAggregator<Double>

initSum

protected Aggregator<Double,Double> initSum()

Specified by:

initSum in class NumericSummaryAggregator<Double>

isNan

protected boolean isNan(Double number)

Specified by:

isNan in class NumericSummaryAggregator<Double>

isInfinite

protected boolean isInfinite(Double number)

Specified by:

isInfinite in class NumericSummaryAggregator<Double>